/** Constructor. */
Hash() {
a = new double[k][d];
b = new double[k];
GaussianDistribution gaussian = GaussianDistribution.getInstance();
for (int i = 0; i < k; i++) {
for (int j = 0; j < d; j++) {
a[i][j] = gaussian.rand();
}
b[i] = Math.random(0, w);
}
table = new HashEntry[H];
}
